| Nominal Species (n = 362) | Present allocation (n = 199) | Ref. |
|---|---|---|
| Uropterygius acutus Parr, 1930 | Monopenchelys acuta | 4450 |
| Gymnothorax afer Bloch, 1795 | Gymnothorax afer | 4450 |
| Muraenophis afra Lacepède, 1803 | Gymnothorax afer | 4450 |
| Muraena albimarginata Temminck & Schlegel, 1846 | Gymnothorax albimarginatus | 26282 |
| Lycodontis albimentis Evermann & Marsh, 1900 | Gymnothorax moringa | 54621 |
| Uropterygius alboguttatus Smith, 1962 | Uropterygius xanthopterus | 3257 |
| Gymnothorax albomaculatus Bliss, 1883 | Gymnothorax johnsoni | 33021 |
| Muraena albomarginata Pfaff, 1933 | Muraena melanotis | 4450 |
| Anarchias allardicei Jordan & Starks, 1906 | Anarchias allardicei | 1602 |
| Muraena alusis Bleeker, 1856 | Echidna catenata | 4450 |
| Muraena amblyodon Bleeker, 1856 | Echidna amblyodon | 36656 |
| Rhinomuraena ambonensis Barbour, 1908 | Rhinomuraena quaesita | 2334 |
| Muraena anatina Lowe, 1838 | Enchelycore anatina | 4450 |
| Muraena anguina Gronow, 1854 | Enchelycore nigricans | 4450 |
| Muraena angusticauda Weber & de Beaufort, 1916 | Gymnothorax angusticauda | 10713 |
| Priodonophis angusticeps Hildebrand & Barton, 1949 | Gymnothorax angusticeps | 40789 |
| Gymnothorax annulatus Smith & Böhlke, 1997 | Gymnothorax annulatus | 27470 |
| Murenophis appendiculata Guichenot, 1848 | Muraena appendiculata | 33021 |
| Gymnothorax argus Steindachner, 1870 | Muraena argus | 26282 |
| Thyrsoidea atlantica Johnson, 1862 | Muraena helena | 4450 |
| Uropterygius atlanticus Vaillant, 1919 | Anarchias euryurus | 4450 |
| Heteromyrus atolli Pietschmann, 1935 | Gymnothorax atolli | 35990 |
| Thyrsoidea augusti Kaup, 1856 | Muraena augusti | 92135 |
| Muraena aurea Mowbray, 1931 | Gymnothorax miliaris | 4450 |
| Gymnothorax australicola Lavenberg, 1992 | Gymnothorax australicola | 13539 |
| Gymnothorax austrinus Böhlke & McCosker, 2001 | Gymnothorax austrinus | 41234 |
| Gymnothorax bacalladoi Böhlke & Brito, 1987 | Gymnothorax bacalladoi | 40832 |
| Gymnothorax baranesi Smith, Brokovich & Einbinder, 2008 | Gymnothorax baranesi | 74922 |
| Gymnothorax bathyphilus Randall & McCosker, 1975 | Gymnothorax bathyphilus | 33021 |
| Channomuraena bauchotae Saldanha & Quéro, 1994 | Channomuraena bauchotae | 53568 |
| Gymnothorax bayeri Schultz, 1953 | Enchelycore bayeri | 7300 |
| Gymnomuraena bennettii Günther, 1870 | Channomuraena vittata | 40843 |
| Gymnothorax berndti Snyder, 1904 | Gymnothorax berndti | 6934 |
| Muraena bettencourti Osório, 1911 | Muraena helena | 4450 |
| Gymnothorax bikiniensis Schultz, 1953 | Enchelycore bikiniensis | 6934 |
| Gymnothorax borneensis Bleeker, 1863 | Gymnothorax tile | 92337 |
| Muraena boschii Bleeker, 1853 | Echidna nebulosa | 54621 |
| Gymnothorax breedeni McCosker & Randall, 1977 | Gymnothorax breedeni | 3257 |
| Gymnomuraena brevicauda Regan, 1903 | Scuticaria okinawae | 40843 |
| Muraena brummeri Bleeker, 1858 | Pseudechidna brummeri | 6934 |
| Gymnothorax brunneus Nichols, 1920 | Enchelycore nigricans | 4450 |
| Gymnothorax brunneus Herre, 1923 | Gymnothorax herrei | 10713 |
| Muraena bullata Richardson, 1848 | Gymnothorax fimbriatus | 33390 |
| Muraena buroensis Bleeker, 1857 | Gymnothorax buroensis | 6934 |
| Muraena callorhyncha Günther, 1870 | Gymnothorax prasinus | 7300 |
| Muraena cancellata Richardson, 1848 | Gymnothorax undulatus | 7300 |
| Muraena canina Quoy & Gaimard, 1824 | Enchelynassa canina | 7300 |
| Uropterygius cantonensis Schultz, 1943 | Anarchias cantonensis | 26282 |
| Murenophis caramuru Castelnau, 1855 | Gymnothorax moringa | 4450 |
| Enchelycore carychroa Böhlke & Böhlke, 1976 | Enchelycore carychroa | 7251 |
| Sidera castanea Jordan & Gilbert, 1883 | Gymnothorax castaneus | 26282 |
| Gymnothorax castlei Böhlke & Randall, 1999 | Gymnothorax castlei | 35991 |
| Gymnothorax catenatus Bloch, 1795 | Echidna catenata | 4450 |
| Muraenophis catenula Lacepède, 1803 | Echidna catenata | 4450 |
| Gymnothorax cephalospilus Böhlke & McCosker, 2001 | Gymnothorax cephalospilus | 41234 |
| Muraena chilensis Günther, 1872 | Gymnothorax porphyreus | 33693 |
| Gymnothorax chilospilus Bleeker, 1864 | Gymnothorax chilospilus | 6934 |
| Gymnothorax chlamydatus Snyder, 1908 | Gymnothorax chlamydatus | 559 |
| Sidera chlevastes Jordan & Gilbert, 1883 | Gymnothorax rueppelliae | 92337 |
| Thyrsoidea chlorostigma Kaup, 1856 | Gymnothorax meleagris | 92337 |
| Muraena cinerascens Rüppell, 1830 | Gymnothorax hepaticus | 10713 |
| Muraena clepsydra Gilbert, 1898 | Muraena clepsydra | 9324 |
| Thyrsoidea concolor Abbott, 1860 | Gymnothorax moringa | 54621 |
| Uropterygius concolor Rüppell, 1838 | Uropterygius concolor | 1602 |
| Uropterygius concolor (non Rüppell, 1838) | Anarchias euryurus | 4450 |
| Gymnothorax conspersus Poey, 1867 | Gymnothorax conspersus | 13608 |
| Muraena corallina Klunzinger, 1871 | Gymnothorax buroensis | 10713 |
| Thyrsoidea cormura Kaup, 1859 | Gymnothorax vicinus | 4450 |
| Gymnothorax cribroris Whitley, 1932 | Gymnothorax cribroris | 3132 |
| Muraenophis cristini Risso, 1810 | Gymnothorax unicolor | 4450 |
| Channomuraena cubensis Poey, 1868 | Channomuraena vittata | 4450 |
| Murenophis curvilineata Castelnau, 1855 | Gymnothorax moringa | 4450 |
| Gymnothorax cyanopunctatus Howell Rivero, 1932 | Gymnothorax vicinus | 26282 |
| Gymnothorax davidsmithi McCosker & Randall, 2008 | Gymnothorax davidsmithi | 83560 |
| Poecilophis delicatulus Kaup, 1856 | Echidna delicatula | 26282 |
| Uropterygius diopus (non Böhlke, 1967) | Uropterygius wheeleri | 4450 |
| Uropterygius diopus Böhlke, 1967 | Uropterygius macularius | 3814 |
| Gymnothorax dorsalis Seale, 1917 | Gymnothorax dorsalis | 40858 |
| Muraena dovii Günther, 1870 | Gymnothorax dovii | 26282 |
| Muraena elaborata Poey, 1860 | Gymnothorax miliaris | 4450 |
| Gymnothorax elegans Bliss, 1883 | Gymnothorax elegans | 10713 |
| Gymnothorax emmae Prokofiev, 2010 | Gymnothorax emmae | 85566 |
| Gymnothorax enigmaticus McCosker & Randall, 1982 | Gymnothorax enigmaticus | 1602 |
| Priodonophis equatorialis Hildebrand, 1946 | Gymnothorax equatorialis | 26282 |
| Muraena euptera Günther, 1870 | Gymnothorax nubilus | 41234 |
| Thyrsoidea eurosta Abbott, 1860 | Gymnothorax eurostus | 6934 |
| Gymnothorax eurygnathos Böhlke, 2001 | Gymnothorax eurygnathos | 87288 |
| Enchelycore euryrhina Kaup, 1856 | Enchelycore nigricans | 4450 |
| Leptocephalus euryurus Lea, 1913 | Anarchias euryurus | 4450 |
| Anarchias exulatus Reece, Smith & Holm, 2010 | Anarchias exulatus | 85321 |
| Gymnomuraena fasciata Kaup, 1856 | Gymnomuraena zebra | 33390 |
| Muraena fascigula Peters, 1855 | Echidna polyzona | 56787 |
| Gymnomuraena fasciolata Regan, 1909 | Uropterygius fasciolatus | 6993 |
| Gymnothorax favagineus Bloch & Schneider, 1801 | Gymnothorax favagineus | 6934 |
| Uropterygius fijiensis Fowler & Bean, 1923 | Gymnothorax polyuranodon | 92337 |
| Muraena fimbriata Bennett, 1832 | Gymnothorax fimbriatus | 6934 |
| Muraena flavimarginata Rüppell, 1830 | Gymnothorax flavimarginatus | 6934 |
| Muraena flavimarginata (non Rüppell, 1830) | Gymnothorax elegans | 33390 |
| Gymnothorax flavimarginatus annasona Whitley, 1937 | Gymnothorax annasona | 26282 |
| Siderea flavocula Böhlke & Randall, 1996 | Gymnothorax flavoculus | 11441 |
| Echidna flavofasciata Poey, 1867 | Echidna catenata | 4450 |
| Thyrsoidea flavopicta Kaup, 1856 | Gymnothorax miliaris | 4450 |
| Gymnothorax flavoscriptus Poey, 1876 | Gymnothorax moringa | 4450 |
| Cirrimaxilla formosa Chen & Shao, 1995 | Cirrimaxilla formosa | 10992 |
| Gymnothorax formosus Bleeker, 1864 | Gymnothorax formosus | 12904 |
| Leptocephalus forsstromi Strömman, 1896 | Gymnothorax vicinus | 56787 |
| Muraenophis fulva Risso, 1810 | Muraena helena | 4450 |
| Gymnothorax funebris (non Ranzani, 1839) | Gymnothorax vicinus | 4450 |
| Gymnothorax funebris Ranzani, 1839 | Gymnothorax funebris | 7251 |
| Uropterygius fuscoguttatus Schultz, 1953 | Uropterygius fuscoguttatus | 1602 |
| Echidna fuscomaculata Poey, 1867 | Echidna catenata | 4450 |
| Rabula fuscomaculata Schultz, 1953 | Gymnothorax fuscomaculatus | 7300 |
| Anarchias fuscus Smith, 1962 | Anarchias allardicei | 40966 |
| Uropterygius galapagensis Seale, 1940 | Anarchias galapagensis | 26282 |
| Gymnothorax galetae Rubinoff, 1966 | Muraena robusta | 4450 |
| Uropterygius genie Randall & Golani, 1995 | Uropterygius genie | 10713 |
| Muraena geometrica Rüppell, 1830 | Gymnothorax griseus | 105227 |
| Uropterygius golanii McCosker & Smith, 1997 | Uropterygius golanii | 27479 |
| Gymnothorax goldsboroughi Jordan & Evermann, 1903 | Gymnothorax elegans | 35990 |
| Uropterygius goslinei McCosker & Randall, 1977 | Uropterygius fasciolatus | 40789 |
| Gymnothorax gracilicauda Jenkins, 1903 | Gymnothorax gracilicauda | 7442 |
| Muraena gracilis Richardson, 1848 | Gymnothorax tile | 94476 |
| Uropterygius grassi Roule, 1916 | Anarchias longicauda | 92337 |
| Gymnothorax griffini (non Whitley & Phillipps, 1939) | Gymnothorax obesus | 56888 |
| Gymnothorax griffini Whitley & Phillips, 1939 | Gymnothorax porphyreus | 56888 |
| Muraenophis grisea Lacepède, 1803 | Gymnothorax griseus | 3257 |
| Muraena guttata Risso, 1827 | Muraena helena | 4450 |
| Gymnothorax hansi Heemstra, 2004 | Gymnothorax hansi | 58472 |
| Muraena helena (non Linnaeus, 1758) | Muraena augusti | 94080 |
| Muraena helena Linnaeus, 1758 | Muraena helena | 4450 |
| Muraena helena australiae Richardson, 1848 | Muraena helena | 41234 |
| Muraena hepatica Rüppell, 1830 | Gymnothorax hepaticus | 10713 |
| Gymnothorax herrei Beebe & Tee-Van, 1933 | Gymnothorax herrei | 10713 |
| Gymnothorax hubbsi Böhlke & Böhlke, 1977 | Gymnothorax hubbsi | 7251 |
| Uropterygius inornatus Gosline, 1958 | Uropterygius inornatus | 35990 |
| Uropterygius inornatus (non Gosline, 1958) | Uropterygius xenodontus | 27479 |
| Gymnothorax insignis Seale, 1917 | Gymnothorax nudivomer | 33390 |
| Muraena insularum Jordan & Davis, 1891 | Muraena lentiginosa | 86790 |
| Muraena interrupta Kaup, 1856 | Gymnothorax rueppelliae | 92337 |
| Lycodontis intesi Fourmanoir & Rivaton, 1979 | Gymnothorax intesi | 104361 |
| Thyrsoidea irregularis Kaup, 1856 | Gymnothorax miliaris | 4450 |
| Muraena isingleenoïdes Bleeker, 1852 | Gymnothorax fimbriatus | 94476 |
| Muraena isingteena Richardson, 1845 | Gymnothorax isingteena | 33390 |
| Gymnothorax jacksoniensis Bleeker, 1863 | Gymnothorax prasinus | 7300 |
| Muraena javanica Bleeker, 1859 | Gymnothorax javanicus | 6934 |
| Lycodontis johnsoni Smith, 1962 | Gymnothorax johnsoni | 3257 |
| Lycodontis jordani Evermann & Marsh, 1899 | Gymnothorax ocellatus | 50838 |
| Muraena kailuae Jordan & Evermann, 1903 | Enchelycore pardalis | 583 |
| Uropterygius kamar McCosker & Randall, 1977 | Uropterygius kamar | 10393 |
| Enchelycore kamara Böhlke & Böhlke, 1980 | Enchelycore kamara | 34765 |
| Muraena kauila Jenkins, 1903 | Enchelycore pardalis | 583 |
| Muraena kidako Temminck & Schlegel, 1846 | Gymnothorax kidako | 6934 |
| Anarchias knighti Jordan & Starks, 1906 | Uropterygius macrocephalus | 54621 |
| Gymnothorax kolpos Böhlke & Böhlke, 1980 | Gymnothorax kolpos | 7251 |
| Gymnothorax kontodontos Böhlke, 2000 | Gymnothorax kontodontos | 40966 |
| Polyuranodon kuhlii Kaup, 1856 | Gymnothorax polyuranodon | 94476 |
| Muraena lampra Jenkins, 1903 | Enchelycore pardalis | 583 |
| Muraena laysana Steindachner, 1900 | Gymnothorax eurostus | 50838 |
| Poecilophis lecomtei Kaup, 1856 | Echidna peli | 4450 |
| Gymnothorax leecote Scott, 1965 | Gymnothorax prasinus | 7300 |
| Echidna leihala Jenkins, 1903 | Echidna polyzona | 12965 |
| Lycodontis lemayi Smith, 1949 | Gymnothorax flavimarginatus | 3257 |
| Muraena lentiginosa Jenyns, 1842 | Muraena lentiginosa | 5590 |
| Gymnothorax leucacme Jenkins, 1903 | Gymnothorax rueppelliae | 92337 |
| Gymnothorax leucostictus Jenkins, 1903 | Gymnothorax meleagris | 92337 |
| Gymnothorax leucostigma Jordan & Richardson, 1909 | Gymnothorax prionodon | 40966 |
| Echidna leucotaenia Schultz, 1943 | Echidna leucotaenia | 1602 |
| Uropterygius leucurus Snyder, 1904 | Anarchias leucurus | 35990 |
| Aemasia lichenosa Jordan & Snyder, 1901 | Enchelycore lichenosa | 6934 |
| Lycodontis literata McClelland, 1844 | Gymnothorax tile | 94476 |
| Muraena longicauda Peters, 1877 | Anarchias longicauda | 40966 |
| Lycodontis longicaudata McClelland, 1844 | Strophidon sathete | 94476 |
| Lycodontis longinquus Whitley, 1948 | Gymnothorax longinquus | 7300 |
| Thyrsoidea longissima Kaup, 1856 | Strophidon sathete | 94476 |
| Gymnomuraena macrocephalus Bleeker, 1864 | Uropterygius macrocephalus | 6934 |
| Muraena macrurus Bleeker, 1854 | Strophidon sathete | 40858 |
| Muraenophis macularia Lesueur, 1825 | Uropterygius macularius | 12965 |
| Strophidon maculata McClelland, 1844 | Gymnothorax tile | 92337 |
| Thyrsoidea maculipinnis Kaup, 1856 | Gymnothorax afer | 4450 |
| Thyrsoidea maculipinnis (non Kaup, 1856) | Gymnothorax vicinus | 4450 |
| Pseudomuraena maderensis Johnson, 1862 | Gymnothorax maderensis | 4450 |
| Uropterygius makatei Gosline, 1958 | Uropterygius macrocephalus | 86790 |
| Anarchias maldiviensis Klausewitz, 1964 | Anarchias allardicei | 86790 |
| Gymnothorax mareei (non Poll, 1953) | Muraena augusti | 94080 |
| Gymnothorax mareei Poll, 1953 | Gymnothorax mareei | 4450 |
| Gymnothorax margaritophorus Bleeker, 1864 | Gymnothorax margaritophorus | 33390 |
| Thyrsoidea marginata Kaup, 1859 | Gymnothorax vicinus | 4450 |
| Thyrsoidea marginata Kaup, 1859 | Gymnothorax afer | 4450 |
| Gymnomuraena marmorata (non Lacepède, 1803) | Uropterygius wheeleri | 4450 |
| Gymnomuraena marmorata Lacepède, 1803 | Uropterygius marmoratus | 94476 |
| Rabula marshallensis Schultz, 1953 | Gymnothorax marshallensis | 26282 |
| Muraena mauritiana Kaup, 1856 | Gymnothorax flavimarginatus | 33390 |
| Gymnothorax mccoskeri Smith & Böhlke, 1997 | Gymnothorax mccoskeri | 27470 |
| Gymnothorax megaspilus Böhlke & Randall, 1995 | Gymnothorax megaspilus | 11441 |
| Gymnothorax melanosomatus Loh, Shao & Chen, 2011 | Gymnothorax melanosomatus | 88934 |
| Muraena melanospilos Bleeker, 1855 | Gymnothorax isingteena | 56787 |
| Limamuraena melanotis Kaup, 1859 | Muraena melanotis | 4450 |
| Gymnothorax melatremus Schultz, 1953 | Gymnothorax melatremus | 6934 |
| Muraena meleagris Shaw, 1795 | Gymnothorax meleagris | 92337 |
| Thyrsoidea microdon Kaup, 1856 | Gymnothorax tile | 94476 |
| Muraena micropterus Bleeker, 1852 | Uropterygius micropterus | 6934 |
| Muraena microspila Günther, 1870 | Gymnothorax reevesii | 86790 |
| Gymnothorax microstictus Böhlke, 2000 | Gymnothorax microstictus | 40966 |
| Thrysoidea miliaris Kaup, 1856 | Gymnothorax miliaris | 33021 |
| Muraena minor Temminck & Schlegel, 1846 | Gymnothorax minor | 27470 |
| Muraena molendinaris Bennett, 1833 | Gymnomuraena zebra | 33390 |
| Priodonophis moluccensis Bleeker, 1864 | Gymnothorax moluccensis | 10713 |
| Muraena monochrous Bleeker, 1856 | Gymnothorax monochrous | 26282 |
| Muraena monostigma Regan, 1909 | Gymnothorax monostigma | 33021 |
| Muraena mordax Ayres, 1859 | Gymnothorax mordax | 12965 |
| Muraena moringa Cuvier, 1829 | Gymnothorax moringa | 4450 |
| Gymnothorax mucifer Snyder, 1904 | Gymnothorax kidako | 58302 |
| Muraena multiocellata Poey, 1860 | Gymnothorax miliaris | 4450 |
| Gymnothorax muraena Bloch & Schneider, 1801 | Muraena helena | 4450 |
| Muraena myrialeucostictus Fowler, 1912 | Gymnothorax miliaris | 4450 |
| Uropterygius nagoensis Hatooka, 1984 | Uropterygius nagoensis | 34709 |
| Gymnothorax nasuta de Buen, 1961 | Gymnothorax nasuta | 9068 |
| Muraena nebulosa Ahl, 1789 | Echidna nebulosa | 3257 |
| Gymnomuraena nectura Jordan & Gilbert, 1882 | Uropterygius macrocephalus | 54621 |
| Gymnothorax neglectus Tanaka, 1911 | Gymnothorax neglectus | 6934 |
| Gymnothorax nevezi Roux, 1957 | Muraena robusta | 4450 |
| Muraena nigricans Bonnaterre, 1788 | Enchelycore nigricans | 1830 |
| Gymnothorax nigrocastaneus Cope, 1871 | Enchelycore nigricans | 4450 |
| Muraena nigrolineata Kaup, 1856 | Gymnothorax rueppelliae | 92337 |
| Neomuraena nigromarginata Girard, 1858 | Gymnothorax nigromarginatus | 12965 |
| Gymnothorax niphostigmus Chen, Shao & Chen, 1996 | Gymnothorax niphostigmus | 12958 |
| Poecilophis nocturnus Cope, 1872 | Echidna nocturna | 26282 |
| Muraena nubila (non Richardson, 1848) | Gymnothorax rueppelliae | 33390 |
| Muraena nubila Richardson, 1848 | Gymnothorax nubilus | 26282 |
| Muraena nudivomer Günther, 1867 | Gymnothorax nudivomer | 3257 |
| Gymnothorax nuttingi Snyder, 1904 | Gymnothorax nuttingi | 35990 |
| Enchelycore nycturanus Smith, 2002 | Enchelycore nycturanus | 50539 |
| Uropterygius obesus Whitley, 1932 | Gymnothorax obesus | 7300 |
| Gymnothorax obscuratus Poey, 1870 | Gymnothorax vicinus | 26282 |
| Gymnothorax obscurirostris Rendahl, 1921 | Gymnothorax porphyreus | 33693 |
| Gymnothorax ocellatus Agassiz, 1831 | Gymnothorax ocellatus | 3255 |
| Gymnothorax ocellatus saxicola Jordan & Davis, 1891 | Gymnothorax saxicola | 26282 |
| Gymnothorax octavianus Myers & Wade, 1941 | Enchelycore octaviana | 26282 |
| Uropterygius okinawae Jordan & Snyder, 1901 | Scuticaria okinawae | 40843 |
| Uropterygius oligospondylus Chen, Randall & Loh, 2008 | Uropterygius oligospondylus | 79875 |
| Muraena ophis Rüppell, 1830 | Echidna nebulosa | 10713 |
| Muraena panamensis Steindachner, 1876 | Gymnothorax panamensis | 26282 |
| Ichthyophis pantherinus Lesson, 1831 | Uropterygius marmoratus | 94476 |
| Muraena pardalis Temminck & Schlegel, 1846 | Enchelycore pardalis | 6934 |
| Gymnothorax parini Collette, Smith & Böhlke, 1991 | Gymnothorax parini | 40789 |
| Muraena pavonina Richardson, 1845 | Muraena pavonina | 13121 |
| Poecilophis peli Kaup, 1856 | Echidna peli | 4450 |
| Diaphenchelys pelonates McCosker & Randall, 2007 | Diaphenchelys pelonates | 75775 |
| Lycodontis permistus Smith, 1962 | Gymnothorax favagineus | 40966 |
| Muraena petelli Bleeker, 1856 | Gymnothorax rueppelliae | 92337 |
| Gymnothorax phalarus Bussing, 1998 | Gymnothorax phalarus | 38824 |
| Lycodontis phasmatodes Smith, 1962 | Gymnothorax phasmatodes | 3257 |
| Gymnothorax philippinus Jordan & Seale, 1907 | Gymnothorax philippinus | 559 |
| Muraena picta Ahl, 1789 | Gymnothorax pictus | 3257 |
| Gymnothorax picturatus Poey, 1880 | Gymnothorax moringa | 4450 |
| Gymnothorax pikei Bliss, 1883 | Gymnothorax pikei | 10659 |
| Poecilophis pikei Bliss, 1883 | Echidna polyzona | 33390 |
| Gymnothorax pindae Smith, 1962 | Gymnothorax pindae | 6934 |
| Gymnothorax polygonius Poey, 1875 | Gymnothorax polygonius | 4450 |
| Gymnomuraena polyspila Regan, 1909 | Uropterygius polyspilus | 33390 |
| Gymnothorax polyspondylus Böhlke & Randall, 2000 | Gymnothorax polyspondylus | 35990 |
| Uropterygius polystictus Myers & Wade, 1941 | Uropterygius polystictus | 9324 |
| Muraena polyuranodon Bleeker, 1854 | Gymnothorax polyuranodon | 7300 |
| Muraena polyzona Richardson, 1845 | Echidna polyzona | 33390 |
| Murenophis porphyreus Guichenot, 1848 | Gymnothorax porphyreus | 26282 |
| Muraena prasina Richardson, 1848 | Gymnothorax prasinus | 7300 |
| Gymnothorax prionodon Ogilby, 1895 | Gymnothorax prionodon | 7300 |
| Gymnothorax prismodon Böhlke & Randall, 2000 | Gymnothorax prismodon | 35990 |
| Gymnothorax prolatus (non Sasaki & Amaoka, 1991) | Strophidon sathete | 40858 |
| Gymnothorax prolatus Sasaki & Amaoka, 1991 | Gymnothorax prolatus | 40858 |
| Muraena prosopeion Bleeker, 1853 | Gymnothorax thyrsoideus | 50838 |
| Gymnothorax pseudoherrei Böhlke, 2000 | Gymnothorax pseudoherrei | 40966 |
| Muraena pseudothyrsoidea (non Bleeker, 1853) | Gymnothorax richardsonii | 33390 |
| Muraena pseudothyrsoidea Bleeker, 1853 | Gymnothorax pseudothyrsoideus | 26282 |
| Muraena punctata Rafinesque, 1810 | Muraena helena | 4450 |
| Muraena punctata Gronow, 1854 | Gymnothorax moringa | 4450 |
| Strophidon punctata McClelland, 1844 | Gymnothorax tile | 94476 |
| Gymnothorax punctatofasciatus (non Bleeker, 1863) | Gymnothorax rueppelliae | 33390 |
| Gymnothorax punctatofasciatus (non Bleeker, 1863) | Gymnothorax randalli | 27470 |
| Gymnothorax punctatofasciatus Bleeker, 1863 | Gymnothorax punctatofasciatus | 10713 |
| Gymnothorax punctatofasciatus (non Bleeker, 1863) | Gymnothorax ypsilon | 10659 |
| Gymnothorax punctatus Bloch & Schneider, 1801 | Gymnothorax punctatus | 10713 |
| Rhinomuraena quaesita Garman, 1888 | Rhinomuraena quaesita | 6934 |
| Gymnothorax ramosus Griffin, 1926 | Enchelycore ramosa | 7300 |
| Gymnothorax randalli Smith & Böhlke, 1997 | Gymnothorax randalli | 27470 |
| Muraena reevesii Richardson, 1845 | Gymnothorax reevesii | 6934 |
| Muraena reevesii (non Richardson, 1845) | Gymnothorax pikei | 33390 |
| Muraena reevesii (non Richardson, 1845) | Gymnothorax fimbriatus | 33390 |
| Uropterygius reidi Schultz, 1943 | Uropterygius macrocephalus | 1602 |
| Gymnothorax reticularis Bloch, 1795 | Gymnothorax reticularis | 6934 |
| Gymnothorax reticularis (non Bloch, 1795) | Gymnothorax minor | 55073 |
| Muraena retifera Goode & Bean, 1882 | Muraena retifera | 7251 |
| Muraena retifera (non Goode & Bean, 1882) | Muraena melanotis | 34088 |
| Echidna rhodochilus Bleeker, 1863 | Echidna rhodochilus | 94476 |
| Muraena richardsonii Bleeker, 1852 | Gymnothorax richardsonii | 33390 |
| Gymnothorax robinsi Böhlke, 1997 | Gymnothorax robinsi | 26881 |
| Muraena robusta Osório, 1911 | Muraena robusta | 4450 |
| Muraena romana Shaw, 1803 | Muraena helena | 4450 |
| Ahynnodontophis rosaliae Howell Rivero, 1932 | Gymnothorax maderensis | 4450 |
| Gymnothorax rostratus Agassiz, 1831 | Gymnothorax moringa | 4450 |
| Dalophis rueppelliae McClelland, 1844 | Gymnothorax rueppelliae | 92337 |
| Muraena sagenodeta Richardson, 1848 | Gymnothorax sagenodeta | 33390 |
| Gymnothorax sagmacephalus Böhlke, 1997 | Gymnothorax sagmacephalus | 40858 |
| Muraena sanctaehelenae Günther, 1870 | Enchelycore anatina | 4450 |
| Muraenophis sathete Hamilton, 1822 | Strophidon sathete | 6934 |
| Muraena schismatorhynchus Bleeker, 1853 | Enchelycore schismatorhynchus | 12965 |
| Siderea schonlandi Smith, 1949 | Gymnothorax griseus | 3257 |
| Anarchias schultzi Reece, Smith & Holm, 2010 | Anarchias schultzi | 85321 |
| Gymnothorax scriptus Poey, 1867 | Gymnothorax miliaris | 4450 |
| Uropterygius sealei Whitley, 1932 | Scuticaria okinawae | 40843 |
| Priodonophis serratidens Hildebrand & Barton, 1949 | Gymnothorax serratidens | 40789 |
| Anarchias seychellensis Smith, 1962 | Anarchias seychellensis | 1602 |
| Gymnothorax shaoi Chen & Loh, 2007 | Gymnothorax shaoi | 77105 |
| Gymnothorax signifer Bliss, 1883 | Gymnothorax rueppelliae | 33390 |
| Leptocephalus similis Lea, 1913 | Anarchias similis | 4450 |
| Gymnothorax sokotrensis Kotthaus, 1968 | Gymnothorax sokotrensis | 46206 |
| Muraena sordida Cuvier, 1816 | Echidna catenata | 4450 |
| Gymnothorax steindachneri Jordan & Evermann, 1903 | Gymnothorax steindachneri | 583 |
| Gymnomuraena supraforata Regan, 1909 | Uropterygius supraforatus | 26282 |
| Anarchias supremus McCosker & Stewart, 2006 | Anarchias supremus | 56888 |
| Gymnothorax taiwanensis Chen, Loh & Shao, 2008 | Gymnothorax taiwanensis | 79874 |
| Enchelycore tamarae Prokofiev, 2005 | Gymnothorax fimbriatus | 92337 |
| Muraena tessellata Richardson, 1845 | Gymnothorax favagineus | 50838 |
| Muraena thrysoidea Richardson, 1845 | Gymnothorax thyrsoideus | 46206 |
| Ichthyophis tigrinus Lesson, 1828 | Scuticaria tigrina | 6934 |
| Muraenophis tile Hamilton, 1822 | Gymnothorax tile | 92337 |
| Muraena trinitatis Miranda Ribeiro, 1919 | Gymnothorax miliaris | 4450 |
| Muraena tristis Kaup, 1856 | Gymnothorax afer | 4450 |
| Strophidon ui Tanaka, 1918 | Strophidon sathete | 6934 |
| Gymnothorax umbrosus Poey, 1875 | Enchelycore nigricans | 4450 |
| Muraenophis undulata Lacepède, 1803 | Gymnothorax undulatus | 33390 |
| Echidna unicolor Schultz, 1953 | Echidna unicolor | 1602 |
| Muraenophis unicolor Delaroche, 1809 | Gymnothorax unicolor | 4450 |
| Scuticaria unicolor Seale, 1917 | Scuticaria okinawae | 35990 |
| Muraena vagrans Seale, 1917 | Gymnothorax vagrans | 40966 |
| Echidna variegata Forster, 1848 | Echidna nebulosa | 6934 |
| Muraena variegata Rafinesque, 1810 | Muraena helena | 4450 |
| Muraena vermiculata Richardson, 1848 | Gymnothorax tile | 94476 |
| Anarchias vermiformis Smith, 1962 | Uropterygius concolor | 3257 |
| Sidera verrilli Jordan & Gilbert, 1883 | Gymnothorax verrilli | 26282 |
| Gymnothorax versipunctatus Poey, 1876 | Gymnothorax vicinus | 4450 |
| Uropterygius versutus Bussing, 1991 | Uropterygius versutus | 9324 |
| Murenophis vicina Castelnau, 1855 | Gymnothorax vicinus | 4450 |
| Gymnothorax virescens Poey, 1876 | Gymnothorax vicinus | 26282 |
| Muraena viridipinna Seale, 1917 | Gymnothorax flavimarginatus | 33390 |
| Gymnothorax viridipinnis Bliss, 1883 | Gymnothorax flavimarginatus | 33390 |
| Ichthyophis vittatus Richardson, 1845 | Channomuraena vittata | 4450 |
| Muraena vorax Ogilby, 1907 | Muraena helena | 41234 |
| Gymnothorax waialuae Snyder, 1904 | Gymnothorax rueppelliae | 92337 |
| Gymnothorax walvisensis Prokofiev, 2009 | Gymnothorax walvisensis | 81023 |
| Uropterygius wheeleri Blache, 1967 | Uropterygius wheeleri | 4450 |
| Gymnothorax wieneri Sauvage, 1883 | Gymnothorax porphyreus | 26282 |
| Gymnothorax woodwardi McCulloch, 1912 | Gymnothorax woodwardi | 7300 |
| Lycodontis wooliensis Whitley, 1968 | Gymnothorax prionodon | 40966 |
| Uropterygius xanthopterus Bleeker, 1859 | Uropterygius xanthopterus | 1602 |
| Muraena xanthospilos Bleeker, 1859 | Echidna xanthospilos | 6993 |
| Gymnothorax xanthostomus Snyder, 1904 | Gymnothorax nudivomer | 7490 |
| Uropterygius xenodontus McCosker & Smith, 1997 | Uropterygius xenodontus | 27479 |
| Anarchias yoshiae Kanazawa, 1952 | Anarchias similis | 4450 |
| Gymnothorax ypsilon Hatooka & Randall, 1992 | Gymnothorax ypsilon | 35990 |
| Gymnothorax zebra Shaw, 1797 | Gymnomuraena zebra | 3257 |
| Gymnothorax zonipectis Seale, 1906 | Gymnothorax zonipectis | 6934 |